steindachneri, Hypoptopoma Boulenger [G. A.] 1895:526 [Proceedings of the Zoological Society of London 1895 (pt 3); ref. 14576] Amazon River near outlet of Rio Negro, Brazil. Holotype (unique): NMW 46272. Type information: Schaefer 1996:1032 [ref. 22569]. Type catalog: Ferraris 2007:250 [ref. 29155]. Based on Hypoptompoma thoracatum of Steindachner 1879:47, Pl. 6 (fig. 1) [ref. 4228]. •Valid as Hypoptopoma steindachneri Boulenger 1895 -- (Isbrücker 1980:88 [ref. 2303], Burgess 1989:439 [ref. 12860], Chang & Ortega 1995:4 [ref. 24302], Isbrücker 2001:28 [ref. 25653], Aquino & Schaefer 2002:386 [ref. 26022], Isbrücker 2002:18 [ref. 27178], Schaefer in Reis et al. 2003:323 [ref. 27061], Ferraris 2007:250 [ref. 29155], Aquino & Schaefer 2010:76 [ref. 30875], Barriga Salazar 2014:112 [ref. 35745], DoNascimiento et al. 2017:76 [ref. 35633], Delapieve et al. 2018:22 [ref. 35713], Meza-Vargas et al. 2021:25 [ref. 39298]). Current status: Valid as Hypoptopoma steindachneri Boulenger 1895. Loricariidae: Hypoptopomatinae. Distribution: South America: upper Amazon River basin (Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.